Calaveras Hills High School (CHHS) is one of the two high schools of Milpitas, California. Calaveras Hills High School works with students who need an alternative form of education. Calaveras Hills High is referred to as "Cal Hills" by students and the community. Cal Hills is the most successful alternative school in the state. Test scores for the STAR test rose hundreds of points from 500+ to 714. Cal Hills often has a waiting list to get into the program.